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HP Color LaserJet 3700
HP Black # Q2670A, Cyan Q2681A, Yellow
Q2682A, Magenta Q2683A
OEM Stated Toner Yield: 6000 Black, 6000 Color
These cartridges have what HP now calls “Smart
Chips” Similar to other HP chips, these chips
monitor toner usage, Internet supplies ordering, and
a new feature, remote troubleshooting. Unlike the
4100, the chips need to be replaced every cycle.
There are separate chips for each color. These
cartridges are “all in one” where the toner, drum, and
waste are all contained in one cartridge. These
machines share the same black cartridge as the CLJ
3500. The colors are not interchangeable. Toner and
chips are in development.
HP Color LaserJet 3800
HP Black # Q6470A, Cyan Q7581A, Magenta
Q7583A, Yellow Q7582A
OEM Stated Toner Yield: 6000 Black, 6000 Color
These cartridges have what HP now calls “Smart
Print Technology Chips”. These are the latest in HP
chips, they are very small, and contain all new code.
As with most HP chips, these chips monitor toner
usage. The chip does not need to be replaced, but if
it is not, “Unauthorized cartridge” will show on the
display. New chips are now available. These
cartridges are “all in one” where the drums included
with the toner. New toner and chips are available.
HP Color LaserJet 4500 (Canon
LBP-83X)
HP-4500 General Note: If the transfer belt kit or
Fuser is replaced before the change fuser/transfer
messages are displayed, placing a new part in the
machine may not reset the counter. Reset procedures
for these parts are included here.
OPC Cartridge
HP OPC Part # C4195A
OEM Stated Yield: 25,000
These cartridges have an ARD installed on the left
side of the cartridge. The chip is actually just an IC
plugged into a socket on the back of the electrical
connector, which can easily be changed. It would
seem that HP or Canon has plans to recycle these
cartridges. Even though they look the same, the
programming on these chips is different from the
HP-8500.
New reset chips are now available to reset these
cartridges. Drums and chips should be sold as a set
as the chip contains information about the drum
sensitivity. These cartridges also have windows that
work with an optical sensor inside the printer that
determines if the waste chamber is full or not. It is
more than likely that if the waste chamber fills up,
the machine will shut down. We are not sure if the
cartridge waste chamber is cleaned out, it will
continue to run until the chip finishes its page count.
The Canon version of this printer is the CLBP-
460PS. The chip also contains information on the
characteristics of the drum that is used during the
calibration sequence.